If the buyer is interested in taking over the loan and is credit worthy as assessed by bank, you can get into a mutual tripartite arrangement with finance co and the prosepective buyer. This depends on the banker who has financed the vehicle. Liase with your bankers to explore this possibility. Some times foreclosing a loan may invite some penalty or finance charges. You can negotiate this with banker and get into a mechanism of transferring the loan....
regards
ram